Unauthorised presence in restricted zone
31.—(1) A person shall not—
(a)go, with or without a vehicle, onto or into any part of a restricted zone except with the permission of the person in control of the restricted zone or a person acting on behalf of that person and in accordance with any conditions subject to which that permission is for the time being granted, or
(b)remain in any part of such a restricted zone after being requested to leave by the person in control or a person acting on behalf of that person or by a constable.
(2) Paragraph (1)(a) above does not apply unless it is proved that, at the material time, notices stating that the area concerned was a restricted zone were posted so as to be readily seen and read by persons entering the restricted zone.
(3) A person who contravenes paragraph (1) above without lawful authority or reasonable excuse is guilty of an offence and liable on summary conviction to a fine not exceeding level 5 on the standard scale.
(4) A constable or the person in control of the restricted zone, using such force as is reasonable in the circumstances, may remove from the restricted zone a person who contravenes paragraph (1)(b) above.
(5) In this article the “person in control of the restricted zone” means in the case of a restricted zone of the tunnel system, the Concessionaires and in the case of any other restricted zone, the owner, occupier or manager of the land, building or works constituting the restricted zone.